Home / 167,963.16-251,563.86-130,220.76

Finding the Fourth Proportional to 167,963.16, 251,563.86 and 130,220.76

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Solution

The fourth proportional to 167,963.16, 251,563.86 and 130,220.76 is: 195,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,963.16 : 251,563.86 = 130,220.76 : x
  2. Step 2: Convert to fraction form
    167,963.16/251,563.86 = 130,220.76/x
  3. Step 3: Cross multiply
    167,963.16x = 251,563.86 × 130,220.76
  4. Step 4: Simplify right side
    167,963.16x = 32,758,837,037.73
  5. Step 5: Solve for x
    x = 32,758,837,037.73/167,963.16
  6. Step 6: Final answer
    x = 195,035.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.